I can aid you can aid she can aid we can aid you can aid they can aid
Forma con V-ing
I can be aiding you can be aiding she can be aiding we can be aiding you can be aiding they can be aiding
Perfecto
I can have aided you can have aided she can have aided we can have aided you can have aided they can have aided
Perfecto con V-ing
I can have been aiding you can have been aiding she can have been aiding we can have been aiding you can have been aiding they can have been aiding
Negación
Forma simple
I cannot aid you cannot aid she cannot aid we cannot aid you cannot aid they cannot aid
Forma con V-ing
I cannot be aiding you cannot be aiding she cannot be aiding we cannot be aiding you cannot be aiding they cannot be aiding
Perfecto
I cannot have aided you cannot have aided she cannot have aided we cannot have aided you cannot have aided they cannot have aided
Perfecto con V-ing
I cannot have been aiding you cannot have been aiding she cannot have been aiding we cannot have been aiding you cannot have been aiding they cannot have been aiding
Forma interrogativa
Forma simple
can I aid? can you aid? can she aid? can we aid? can you aid? can they aid?
Forma con V-ing
can I be aiding? can you be aiding? can she be aiding? can we be aiding? can you be aiding? can they be aiding?
Perfecto
can I have aided? can you have aided? can she have aided? can we have aided? can you have aided? can they have aided?
Perfecto con V-ing
can I have been aiding? can you have been aiding? can she have been aiding? can we have been aiding? can you have been aiding? can they have been aiding?
Forma interro-negativa
Forma simple
can I not aid? can you not aid? can she not aid? can we not aid? can you not aid? can they not aid?
Forma con V-ing
can I not be aiding? can you not be aiding? can she not be aiding? can we not be aiding? can you not be aiding? can they not be aiding?
Perfecto
can I not have aided? can you not have aided? can she not have aided? can we not have aided? can you not have aided? can they not have aided?
Perfecto con V-ing
can I not have been aiding? can you not have been aiding? can she not have been aiding? can we not have been aiding? can you not have been aiding? can they not have been aiding?